Castle · near Tongwynlais · South Glamorgan

Castell Coch

Castell Coch is a castle in Tongwynlais, Cardiff. Officially, it is a scheduled monument. Look also at Caerphilly Castle, 5.1 km away, first of 88 more within 15 km.

Photo: Castell Coch, Hchc2009 (CC BY-SA 4.0)

Where

100 m

northwest of Tongwynlais

Run by

Cadw

a national heritage body

How well known

Top 3%

#246 of 8,556 places we list

Warmest months

May–Sep

highs of 18–22°C

In brief

Castle near Tongwynlais

One of the best-known places to visit in England, Scotland, Wales and Northern Ireland

#246 of the 8,556 museums, castles, gardens and other attractions we list, by how widely it is covered (17 Wikipedias). About ↓

Just outside Tongwynlais

Castell Coch is 100 m northwest of Tongwynlais. Towns near it ↓

Cared for by Cadw

One of the places Cadw looks after; members usually get in free. About ↓

Scheduled monument

On the official list of protected heritage; Tongwynlais has 15 listed buildings in all, on its History page. About ↓

Written from OpenStreetMap, Wikidata, the ONS built-up areas and Met Office 1991–2020 averages.

When to go

If warmth matters, go May to September: Tongwynlais reaches 18–22°C.

Jan8° / 2°142 mm

Feb9° / 2°98 mm

Mar11° / 4°88 mm

Apr14° / 5°73 mm

May18° / 8°77 mm

Jun20° / 11°77 mm

Jul22° / 13°86 mm

Aug21° / 13°100 mm

Sep19° / 10°88 mm

Oct15° / 8°130 mm

Nov11° / 5°135 mm

Dec9° / 3°145 mm

Green months are the warmest. Typical afternoon highs and night lows in Tongwynlais, and rain in a month. Met Office HadUK-Grid 1991–2020 averages for Tongwynlais. Opening times change through the year: check before you go. Tongwynlais’ full climate →

About

Castell Coch

It is cared for by Cadw. Readers can find it on Wikipedia in 17 languages.

Tongwynlais’ listed buildings and monuments →

Type: Castle
Run by: Cadw
Listed: Scheduled monument
Wikipedias: Covered in 17 languages
Town: 100 m northwest of Tongwynlais
Official site: cadw.gov.wales/visit/places-to-visit/castell-coch

Facts: Wikidata (CC0) and OpenStreetMap (© OpenStreetMap contributors).

The map

The way to Castell Coch

Spot Castell Coch in orange, then follow the numbers to the places below.

Towns near it

Bases for a visit

With 348,511 people, Cardiff is the largest of the 8. Closest first, each of these towns names it on its page.

1 · 100 m southeast of it

Tongwynlais

1,846 people · 51 places to visit

2 · 200 m northwest of it

Taff's Well

3,553 people · 7 places to visit

3 · 500 m southeast of it

Cardiff

348,511 people · 76 places to visit

4 · 2 km north of it

Caerphilly

33,104 people · 7 places to visit

Compare the 8 towns

Town	Where Castell Coch is	People	Places to visit
Tongwynlais	100 m southeast of it	1,846	51
Taff's Well	200 m northwest of it	3,553	7
Cardiff	500 m southeast of it	348,511	76
Caerphilly	2 km north of it	33,104	7
Pentyrch	2.5 km west of it	2,374	47
Nantgarw	2.5 km north of it	815	8
Efail Isaf	4.2 km northwest of it	588	6
Pontypridd	4.3 km northwest of it	31,895	12

Make a day of it

Around Castell Coch

Also close at hand are 3 castles, 2 museums and 2 cathedrals, among 88 within 15 km.

1CastleCastle · CadwCaerphilly Castle5.1 km away 2

MuseumNational Museum Cardiff7.7 km away · 373K visitors a year 3

CastleCardiff Castle7.8 km away 4

CathedralLlandaff Cathedral5.1 km away 5

Big drawMuseumSt Fagans Museum Visitor Centre5.6 km away · 610K visitors a year 6

CathedralCardiff Metropolitan Cathedral8.3 km away 7

CastleMorgraig Castle3.4 km away 8

Historic houseSaint Fagans Castle5.6 km away

Within 15 km, close and well known first. Numbers match the map.

A visit to Castell Coch: questions

Where is Castell Coch?

Castell Coch is 100 m northwest of Tongwynlais, South Glamorgan.

What is Castell Coch?

Castle in Tongwynlais, Cardiff, Wales.

Who runs Castell Coch?

Cadw, so members usually get in free; check opening times before you go.

When is the best time to visit Castell Coch?

May to September are the warmest months in Tongwynlais, with afternoon highs of 18–22°C (Met Office 1991–2020 averages).

Is Castell Coch a listed building?

Yes: scheduled monument.

What else is there to see near Castell Coch?

Within 15 km: Caerphilly Castle (5.1 km), National Museum Cardiff (7.7 km), Cardiff Castle (7.8 km) and Llandaff Cathedral (5.1 km).

Places: OpenStreetMap (© OpenStreetMap contributors, Open Database Licence) and Wikidata (CC0), placed in the ONS 2022 built-up area (Open Government Licence v3.0). Visitor counts are the latest Wikidata gives, with their year.

Photos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).

Photo credits (8)

Castell Coch: Hchc2009, CC BY-SA 4.0, Wikimedia Commons
National Museum Cardiff: Ham II, CC BY-SA 3.0, Wikimedia Commons
Cardiff Castle: Tevfik Teker, CC BY 3.0, Wikimedia Commons
Llandaff Cathedral: Bill Boaden, CC BY-SA 2.0, Wikimedia Commons
St Fagans Museum Visitor Centre: Sionk, CC BY-SA 4.0, Wikimedia Commons
Cardiff Metropolitan Cathedral: Ham II, CC BY-SA 4.0, Wikimedia Commons
Morgraig Castle: John Lord, CC BY-SA 2.0, Wikimedia Commons
Saint Fagans Castle: Llywelyn2000, CC BY-SA 4.0, Wikimedia Commons

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.